Silk-throwing mechanism.



No. 790,805. 1 PATENTED MAY 23, 1905.

- J. SALATHE & J. TAMBERLIN. SILKTHROWING MECHANISM.

APPLICATION FILED APR.29,1904.

2 SHEETS-SHEET 1.

No. 790,805. PATENTED MAY 23, 1905. J. SALATHE & J. TAMBBRLIN.

SILK THROWING MECHANISM.

APPLICATION FILED APR.29,1904.

2 SHEETS-SHEET 2.

- Uirnn STATES Patented May 23, 1905.

SlLK-THROWING MECHANISM.

SPECIFICATION forming part of Letters Patent No. 790,805, dated. May 23,1905.

Application filed April 29, 1904. Serial No. 205,527.

To all whom, it may concern.-

Be it known that we, JAooB SALATI-IE and JOHN TAMBERLIN, citizens of theUnited States, residing in Phoenixville, county of Chester, State ofPennsylvania, have invented certain new and useful Improvements inSilk-Throwing Mechanism, of which the following is a specification.

Our invention relates to that class of spinningmachines in which thesilk threads are simultaneously drawn off of two or more spools, twistedin the same direction, then brought together, and wound with a reversetwist upona third spool.

The object of our invention is to provide an improved mechanism for thispurpose, and more especially to provide improved means for automaticallystopping the spools and feed-rolls in case of breakage.

The invention is fully described in connec tion with the accompanyingdrawings, and the novel features are particularly pointed out in theclaims.

Figure 1 is a partly-sectional elevation of a portion of a silk-throwingmachine embodying our invention. Fig. 2 is a front elevation of the sameat right angles to Fig. 1. Fig. 3 is a sectional plan taken on the line3 3 of Fig. 1. Fig. 4 is an enlarged vertical section showing in detailour improved spindlebearing for the winding-spool. Figs. 5 and 6 arerespectively a vertical section and plan, to enlarged scale, of thefeed-roll and connected stop mechanism.

The spools 2 2, upon which are contained the threads that are to beseparately twisted, are each suitably mounted upon a pulleysleeve 3,inclosing a bolster-case 4, andv the third spool 5, upon which is to bewound the twisted-together threads, is rotated in a reverse direction byengagement of said pulleysleeve 3 of the spools 2 with the pulley-sleeve6, upon which the spool 5 is mounted. The threads from the spools 2 2,after being carried through separate guideeyes 7 and aroundguide-fingers 8 on the frame-rail 9, extend upward, as .usual, to thefeed-roll mechanism, from which they are delivered to the third spooland wound upon the latter general operation is well known, and our in-.

vention relates to the improvements in con struction hereinafterparticularly described and pointed out.

The pulley-sleeve 6, upon which the winding-spool 5 is carried, looselyincloses the bolstercase 10 and is carried upon the stepbearing 11within the latter by means of the concentric tubular spindle 12, formingpart thereof and extending into the bore of the bolstercase, in which itis centered by a bottom collar 13, bearing upon a suitable stepbearingwasher or seat 14 and by an upper collar 15. A central tubular bolster16 within the bolster-case 10 rises through the pulley-sleeve 6 andprovides a passage-way for the central carrier-rod 17, upon which iscarried the guide-ring 18, to which the required up-and-down movement istrans mitted by means of a cam 19 or other suitable means.

The bolster-case 10 is firmly secured to the spindle-rail 20 of themachine by means of a nut 21 upon its lower end, with a distancesleeve22 and washer 23 strung thereupon between said nut and the bottom of thespindle-rail to provide for carrying the spools 2 2 upon radius-arms 2424, pivoted upon said distance-sleeve, as hereinafter described.

The novel construction of winding-spool spindle and bearing shown isfully described and claimed in a separate application, filed August 16,1904,'Serial No. 220,891.

The spindles upon which the single-thread spools 2 are mounted. in ourimproved mechanism are carried by the free outer ends of the radius-arms24, which swing upon the distance-sleeve 22 on the depending portion ofthe bolster-case 10 of the winding-spool 5, as previously described. Theswing of these arms upon the axis of the spool 5 is con trolled by asliding plate 25, which is formed with oblong openings 26 and 26,oppositely inclined to the direction of its movement and engaging thedepending ends 27 27 of the bolster-cases of the single-thread spools 2.This sliding plate 25, as shown, is fixed to rods 28 28, which aresuitably guided in rigid brackets 29 29 on the spindle-rail and areprovided with springs 30, which tend to move the said plate so as tospread. apart the radius-arms 24 24; but during the operation of themachine the plate is held in such position as to bring thepulley-sleeves 3 3 of the spools 2 into proper contact with thedriving-belt 31, whereby they are normally rotated. This is effectedbymeans of a droprod 32 from the feed-roll mechanism above the spools,the lower end of which normally enters a hole in the sliding plate tolock the latter. The raising of this rod to release the plate, andthereby permit the withdrawal of the spools from the operating-belt bythe action of the s rings 30, is effected as hereinafter describe Thethreads from the spools 2 are carried upward from the guide-lingers 8over the fixed rod 52 of the .machine and through guide-eyes 33 33 atthe extremities of the separate swinging guide eye arms 34 34, fromwhich latter they are brought together in the central twisted guide-eye35 and then passed between the main feed-roll 36 on the driven shaft 37of the machine and its friction-roll 38 bearing thereon down to thetraveler 18 and the third spool 5, upon which the united threads arewound.

The feed-roll 38 is carried in a verticallyswinging frame 39, which ispivoted on a fixed rod 40 of the machine, so that said roll normallybears upon the main roll 36 to insure the feeding of the threads fromthe spools 2. This swinging frame also carries the drop-rod 32, thelower end of which is .adapted to engage or disengage the sliding plate25 already referred to, the upper end of said rod being adjustablyconnected, as shown, to a transverse bar 50, journaled in brackets 41,depending from the pivoted frame 39, so that the raising of the latterwill simultaneously throw the cooperating feedroll 38 out of engagementwith the main roll 36 and indirectly effect the movement of the spools 2out of contact with the operatin belt 31, as previously described. Toprovi e for automatically effecting this raising of the frame 39, andthereby suspending the operation in case of a thread breaking, weemploy, in

connection with the swinging guide-eye arms 34, a pair of swinginglevers 42, as shown, pivoted upon a transverse rod 43, carried by theframe 39, The arms 34,which are also shown pivoted upon this rod, areeach retained in raised position during the normal operation of themachine by the tension upon the thread passing through the guide-eye endthereof to the feed-rolls. In case either thread is broken, however, thecorresponding arm 34 will fall upon the lever-bar 44, and thereby causethe pawl end 45 of the lever to swing into the pathof a projecting pinorpins 46 on the feed-roll 36 and against a stop 47 on the frame 39, sothat said pin in passing together with the frame 39, sufficiently toraise the lower end of the drop-rod 32 above the slide-plate 25 andpermit the retraction of the latter by the springs 30, whereby thespools 2 are thrown out of operating contact with the driving-belt 31.The frame 39 will then be maintained in raised position by the drop-rod32, which bears upon the top of the retracted guide-plate 25 until thetrouble is remedied, when the parts are returned to normal operatingposition by merely pushing forward the slide-plate against the pressureof the springs 30 until the drop-rod again falls into engagement withit.

'What we claim is 1. In a silk-throwing mechanism the com bination withthe spindle-rail and the winding-spool spindle mounted therein, ofradiusarms arranged to swing upon the axis of said windingspool spindle,separate deliveryspool spindles carried by said. arms and arranged todrive said winding spool spindle, a spreading mechanism for said arms,and means for locking the same.

2. In a silk-throwing mechanism the combination with the spindle-railand the winding-spool spindle and bearing, of radius-arms pivoted uponthe depending bolster-case of said bearing, separate delivery-spoolspindles carried by said arms and arranged to drive said winding-spoolspindle, and a spreading mechanism for the said arms with means forlocking the same.

3. In a silk-throwing mechanism the combination with the spindle-railand the winding-spool spindle. mounted therein, of the pivotedradius-arms carrying separate delivery-spool spindles arranged to drivesaid winding-spool spindle, a sliding device ar ranged at right anglesto the spindles and engaging said arms to close or spread the same, anda drop-rod engaging or disengaging said device.

4. In a silk-throwing mechanism the combination with the main feed-rollhaving peripheral projections, of a swinging frame carrying acooperating top roll, a catch-lever pivoted to said frame, separateguide-eye arms for the single threads pivoted to the frame concentricwith said lever and each arranged to fall upon said lever when itssupporting-thread breaks whereby said lever is swung into the path ofsaid projections to raise the frame, and means for supporting the framein raised position, substantially as set forth.

5'. In a silk-throwing mechanism the combination with thespool-spindles, a throwingout mechanism therefor comprising aperfoguide-eye arms for the threads arranged to In testimony whereof weaffix our signafall 11 on and tilt said lever to effect the raistures inthe presence of two witnesses.

ing 0 the frame as desired, and a drop-rod JACOB SALATHE.

carried by said frame and arranged to nor- JOHN TANIBERLINF 5 mally locksaid slide-plate in operative posi- Witnesses:

tion and to bear upon the latter when raised J OHN J. CARTER,

by said frame, substantially as set forth. L. H. HOWELL.

